Finding the Fourth Proportional to 10,378,955.99, 15,556,621.43 and 4,613,028.44
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Solution
The fourth proportional to 10,378,955.99, 15,556,621.43 and 4,613,028.44 is: 6,914,292.45
Step by Step Solution
- Step 1: Write the proportion equation
10,378,955.99 : 15,556,621.43 = 4,613,028.44 : x - Step 2: Convert to fraction form
10,378,955.99/15,556,621.43 = 4,613,028.44/x - Step 3: Cross multiply
10,378,955.99x = 15,556,621.43 × 4,613,028.44 - Step 4: Simplify right side
10,378,955.99x = 71,763,136,986,055.22 - Step 5: Solve for x
x = 71,763,136,986,055.22/10,378,955.99 - Step 6: Final answer
x = 6,914,292.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.